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What's on the worksheet
- Find the angle or arc measure asked for in each inscribed angle case.
- Find the inscribed angle for an arc of length 5 pi cm and the other arc.
- Find angles of a pentagon inscribed in a circle from its five arcs.
- Find lengths, angles and an area using a diameter of a circle of radius 13.
- Test a student's claim that every inscribed angle on an arc measures 55 degrees.
- Find every point on the x-axis where angle ACB is a right angle.
- Find the angle from a second player on the circle through the goal posts.
- Find x, the angles of a triangle and its arcs from expressions for an arc and two angles.
Teach it first
The free lesson teaches it with worked examples and practice problems.
The inscribed angle theorem: the lesson ›More Chapter 10 worksheets: Circles
- 10.1Chords, secants and tangents
- 10.2Arcs and central angles
- 10.3Arc length
- 10.4Sectors, segments and their areas
- 10.5The inscribed angle theorem
- 10.6Inscribed polygons and cyclic quadrilaterals
- 10.7Proving the inscribed angle theorem
- 10.8Chord theorems
- 10.9Tangent properties
- 10.10Proving a tangent is perpendicular to the radius
- 10.11Angles made by chords, secants and tangents
- 10.12Segment lengths in circles
- 10.13Proving the power of a point relationships
- 10.14Regular polygons and their circles
- 10.15Equation of a circle
- 10.16Finding the center and radius